diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2009-09-24 01:32:34 +0200 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-10-18 08:49:32 +0200 |
| commit | ab09e0406ffd42d26fc9a6dcbb626f9eb1da9160 (patch) | |
| tree | 48176de98faf8fd319f136ea5538f0db1e09cf5c /drivers/spi | |
| parent | spi/bfin_spi: punt useless null read/write funcs (diff) | |
| download | linux-ab09e0406ffd42d26fc9a6dcbb626f9eb1da9160.tar.xz linux-ab09e0406ffd42d26fc9a6dcbb626f9eb1da9160.zip | |
spi/bfin_spi: fix up some unused/misleading comments
Reported-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi_bfin5xx.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index 5e07f498b495..045c82a36164 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -44,9 +44,6 @@ MODULE_LICENSE("GPL"); #define QUEUE_RUNNING 0 #define QUEUE_STOPPED 1 -/* Value to send if no TX value is supplied */ -#define SPI_IDLE_TXVAL 0x0000 - struct driver_data { /* Driver model hookup */ struct platform_device *pdev; @@ -581,7 +578,7 @@ static void bfin_spi_pump_transfers(unsigned long data) udelay(previous->delay_usecs); } - /* Setup the transfer state based on the type of transfer */ + /* Flush any existing transfers that may be sitting in the hardware */ if (bfin_spi_flush(drv_data) == 0) { dev_err(&drv_data->pdev->dev, "pump_transfers: flush failed\n"); message->status = -EIO; @@ -661,7 +658,6 @@ static void bfin_spi_pump_transfers(unsigned long data) "transfer: drv_data->write is %p, chip->write is %p\n", drv_data->write, chip->write); - /* speed and width has been set on per message */ message->state = RUNNING_STATE; dma_config = 0; @@ -966,7 +962,7 @@ static u16 ssel[][MAX_SPI_SSEL] = { P_SPI2_SSEL6, P_SPI2_SSEL7}, }; -/* first setup for new devices */ +/* setup for devices (may be called multiple times -- not just first setup) */ static int bfin_spi_setup(struct spi_device *spi) { struct bfin5xx_spi_chip *chip_info; |